The author, Shroom, answered the questions about realms in the comments section.
Grandmaster and Grandmaster: A group of people who often walked in the martial world. Great Grandmasters were considered top-notch experts, such as Shi Zhixuan and Zhu Yuyan. Because they were from the Integrated Martial Arts World and had hundreds of inheritances, there were more of them.
[Inborn grandmaster: A person who has lived for hundreds of thousands of years. He is at least a hundred years old. Of course, the main character is excluded.] Although there weren't many such people in this book, there were still quite a few.
[Supreme grandmaster: Legendary figure, a truly rare species. They live in legends and few people have seen them.]
[Transcendence: A god-level character. Not much to say. Anyway, it will take a long time to appear.]
[One with the World: Daoist Patriarch level.]
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